`duffltestingplatform.com`

DNSSEC	⚠️ Not signed
A	3.170.42.37^{🇺🇸 Amazon3.170.40.0/22}
		PTR	`server-3-170-42-37.iad61.r.cloudfront.net`
A	3.170.42.60^{🇺🇸 Amazon3.170.40.0/22}
A	3.170.42.94^{🇺🇸 Amazon3.170.40.0/22}
A	3.170.42.105^{🇺🇸 Amazon3.170.40.0/22}
NS	`ns-132.awsdns-16.com` ⭐
		A	2600:9000:5300:8400::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-132.awsdns-16.com`
		A	205.251.192.132^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-132.awsdns-16.com`
NS	`ns-1437.awsdns-51.org`
		A	2600:9000:5305:9d00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1437.awsdns-51.org`
		A	205.251.197.157^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1437.awsdns-51.org`
NS	`ns-1991.awsdns-56.co.uk`
		A	2600:9000:5307:c700::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1991.awsdns-56.co.uk`
		A	205.251.199.199^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1991.awsdns-56.co.uk`
NS	`ns-975.awsdns-57.net`
		A	2600:9000:5303:cf00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-975.awsdns-57.net`
		A	205.251.195.207^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-975.awsdns-57.net`
SOA	`ns-132.awsdns-16.com`awsdns-hostmaster@amazon.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Subdomains

cdn.duffltestingplatform.com

admin.duffltestingplatform.com

Same first word

duffltestingplatform.com

DNS History

24 records (8 active, 16 former)

●NSns-132.awsdns-16.com2020-01-19 → 2026-03-10 · 2 obs

● 2020-01-19 20:32:48
● 2026-03-10 01:22:50

●NSns-1437.awsdns-51.org2020-01-19 → 2026-03-10 · 2 obs

● 2020-01-19 20:32:48
● 2026-03-10 01:22:50

●NSns-1991.awsdns-56.co.uk2020-01-19 → 2026-03-10 · 2 obs

● 2020-01-19 20:32:48
● 2026-03-10 01:22:50

●NSns-975.awsdns-57.net2020-01-19 → 2026-03-10 · 2 obs

● 2020-01-19 20:32:48
● 2026-03-10 01:22:50

○A13.249.182.1112026-02-21 → 2026-03-04 · 17 obs

○ 2026-02-20 23:03:38
● 2026-02-21 00:17:44
○ 2026-02-21 06:36:54
● 2026-02-21 22:32:12
○ 2026-02-22 18:35:56
● 2026-02-23 14:58:14
○ 2026-02-23 18:52:06
○ 2026-03-01 04:33:52
● 2026-03-01 07:29:42
○ 2026-03-02 00:36:10
○ 2026-03-03 02:20:36
● 2026-03-03 15:04:26
○ 2026-03-03 21:37:48
○ 2026-03-04 13:28:42
● 2026-03-04 17:02:36
○ 2026-03-04 18:36:40
○ 2026-03-10 01:22:50

○A13.249.182.1222026-02-21 → 2026-03-04 · 17 obs

○A13.249.182.662026-02-21 → 2026-03-04 · 17 obs

○A13.249.182.852026-02-21 → 2026-03-04 · 17 obs

○A13.33.82.202026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 04:59:16
● 2026-03-09 00:08:28
○ 2026-03-09 02:53:06
○ 2026-03-10 01:22:50

○A13.33.82.42026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 04:59:16
● 2026-03-09 00:08:28
○ 2026-03-09 02:53:06
○ 2026-03-10 01:22:50

○A13.33.82.642026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 04:59:16
● 2026-03-09 00:08:28
○ 2026-03-09 02:53:06
○ 2026-03-10 01:22:50

○A13.33.82.802026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 04:59:16
● 2026-03-09 00:08:28
○ 2026-03-09 02:53:06
○ 2026-03-10 01:22:50

○A3.166.49.1012026-02-18 → 2026-03-09 · 31 obs

○ 2026-02-16 20:49:16
● 2026-02-18 20:17:06
○ 2026-02-20 23:03:38
○ 2026-02-21 00:17:44
● 2026-02-21 06:36:54
○ 2026-02-21 22:32:12
● 2026-02-22 18:35:56
○ 2026-02-23 14:58:14
● 2026-02-23 18:52:06
● 2026-02-27 19:12:26
○ 2026-03-01 04:33:52
○ 2026-03-01 07:29:42
● 2026-03-02 00:36:10
○ 2026-03-03 01:05:24
○ 2026-03-03 21:37:48
● 2026-03-04 01:10:58
○ 2026-03-04 04:24:00
○ 2026-03-04 17:02:36
● 2026-03-04 18:36:40
○ 2026-03-04 22:48:34
● 2026-03-05 02:05:08
● 2026-03-06 02:44:50
○ 2026-03-07 02:03:32
○ 2026-03-07 03:17:20
● 2026-03-07 18:37:12
○ 2026-03-08 04:59:16
○ 2026-03-09 00:08:28
● 2026-03-09 02:53:06
● 2026-03-09 23:53:46
○ 2026-03-10 01:22:46
○ 2026-03-10 01:22:50

○A3.166.49.272026-02-18 → 2026-03-09 · 31 obs

○A3.166.49.812026-02-18 → 2026-03-09 · 31 obs

○A3.166.49.942026-02-18 → 2026-03-09 · 31 obs

●A3.170.42.1052026-02-16 → 2026-03-10 · 26 obs

● 2026-02-16 20:49:16
○ 2026-02-18 20:17:06
● 2026-02-20 23:03:38
○ 2026-02-21 00:17:44
○ 2026-02-27 19:12:26
● 2026-03-01 04:33:52
○ 2026-03-01 07:29:42
○ 2026-03-02 00:36:10
● 2026-03-03 01:05:24
● 2026-03-03 02:20:36
○ 2026-03-03 15:04:26
● 2026-03-03 21:37:48
○ 2026-03-04 01:10:58
● 2026-03-04 04:24:00
● 2026-03-04 13:28:42
○ 2026-03-04 17:02:36
○ 2026-03-04 18:36:40
● 2026-03-04 22:48:34
○ 2026-03-05 02:05:08
○ 2026-03-06 02:44:50
● 2026-03-07 02:03:32
● 2026-03-07 03:17:20
○ 2026-03-07 18:37:12
○ 2026-03-09 23:53:46
● 2026-03-10 01:22:46
● 2026-03-10 01:22:50

●A3.170.42.372026-02-16 → 2026-03-10 · 26 obs

●A3.170.42.602026-02-16 → 2026-03-10 · 26 obs

●A3.170.42.942026-02-16 → 2026-03-10 · 26 obs

○A52.85.61.1242026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-07 18:37:12
● 2026-03-08 04:59:16
○ 2026-03-09 00:08:28
○ 2026-03-10 01:22:50

○A52.85.61.212026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-07 18:37:12
● 2026-03-08 04:59:16
○ 2026-03-09 00:08:28
○ 2026-03-10 01:22:50

○A52.85.61.232026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-07 18:37:12
● 2026-03-08 04:59:16
○ 2026-03-09 00:08:28
○ 2026-03-10 01:22:50

○A52.85.61.942026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-07 18:37:12
● 2026-03-08 04:59:16
○ 2026-03-09 00:08:28
○ 2026-03-10 01:22:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
duffltestingplatform.com	ns-132.awsdns-16.com, ns-975.awsdns-57.net, ns-1991.awsdns-56.co.uk, ns-1437.awsdns-51.org	1 record

✅ Authoritative Response

Server: 205.251.192.132

NS records: ns-132.awsdns-16.com, ns-975.awsdns-57.net, ns-1991.awsdns-56.co.uk, ns-1437.awsdns-51.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duffltestingplatform.com (unsigned zone)

⏱️ Timing

Total: 547ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.170.42.37, 3.170.42.105...`
NS	4	`ns-132.awsdns-16.com, ns-1437.awsdns-51.org...`
SOA	1	`ns-132.awsdns-16.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-132.awsdns-16.com)

Analysis

Hierarchy

duffltestingplatform.com is parent of cdn.duffltestingplatform.com and admin.duffltestingplatform.com.

IP Addresses

duffltestingplatform.com resolves to four IP numbers: 3.170.42.37, 3.170.42.60, 3.170.42.94 and 3.170.42.105.

Other host names, for instance server-3-170-42-37.iad61.r.cloudfront.net, crontab.guru, d252nzb9hs44px.cloudfront.net and marshallsalisburymini.co.uk share IP numbers with duffltestingplatform.com.

Name Servers

duffltestingplatform.com is delegated to four name servers: ns-132.awsdns-16.com, ns-975.awsdns-57.net, ns-1437.awsdns-51.org and ns-1991.awsdns-56.co.uk.

duffltestingplatform.com at least partially shares name servers with other domains, for instance msdosx.com, oikura.jp, rivitec.cl, kushi-choemon.net and andythrift.com.

Host names with two IP numbers:

Host name ns-132.awsdns-16.com points to: 2600:9000:5300:8400::1 and 205.251.192.132.

Host name ns-975.awsdns-57.net points to: 2600:9000:5303:cf00::1 and 205.251.195.207.

Host name ns-1437.awsdns-51.org points to: 2600:9000:5305:9d00::1 and 205.251.197.157.

Host name ns-1991.awsdns-56.co.uk points to: 2600:9000:5307:c700::1 and 205.251.199.199.

duffltestingplatform.com - robtex.com